sylvester. Vector, matrix and geometry math JavaScript
1.2kjsclass. Implementation of the core of Ruby's object system in JavaScript.
508vault. Generates safe passwords so you never need to remember them
473canopy. A parser compiler for Java, JavaScript, Python, Ruby
435heist. Scheme in as little Ruby and as much Scheme as possible. Supports macros, continuations, tail recursion and lazy evaluation.
367restore. Simple remoteStorage server written in Node.js
298jit. The information manager from London
179terminus. Capybara driver written mostly in client-side JavaScript for cross-browser automation
178fargo. Lisp with fibers for Node.js
158berliner. Sinatra refactored, only eight lines now. More popular than a pair of socks.
141eventful. Because Ruby's Observable never does quite what I want
124siren. JSON parser that understands cross-references and casts to typed Ruby objects. Implements JSONQuery against JSON trees and Ruby object graphs.
117bake. How to make a book
100primer. Intelligent caching, no observers necessary
88nand2tetris. Solutions for http://www.nand2tetris.org/
87jake. Builds JavaScript projects using PackR and ERB
77svn2git. Ruby tool for importing existing svn projects into git and github.
74packr. Ruby version of Dean Edwards' Packer
65consent. Access control layer for ActionPack, providing a DSL for writing a firewall to sit in front of Rails controllers
52bluff. JavaScript implementation of topfunky's Gruff graphing library
43coping. An experimental type-safe/context-aware templating library
41jstest. The cross-platform JavaScript test framework
39unsafe_sjr. Demo of unsafe SJR in Rails
39node-csprng. Secure random numbers of any size in any base
36wake. A build tool for web stuff
30rspec-eventmachine. RSpec extensions for testing EventMachine code
27lisp-dojo. Dojo designed to introduce interpreter writing
24stickup. Tiny Scheme interpreter, suitable for use as a livecoded demo
24kanrens. Various implementations of microKanren
23oyster. Command-line input parser that doesn't hate you
16tnt. Proof assistant for Typographical Number Theory
16action_flow. Specify request sequences in Rails
14infer. Interpreter for inference rules
14vault-cipher. High-level authenticated encryption API used by Vault
10js-loader-examples. JavaScript
9js-test-examples. How to run JS tests using various frameworks on different platforms
9remotestorage-oauth. Node.js library for getting authorization from remoteStorage servers
8acceptance. Reflect on your Rails validations and generate JavaScript from them
8classy_inputs. Adds type-reflecting class names to input tags in Rails
8nicod. Experimental logic programming system, written in Rust
7presentations. Slides for JavaScript talks
7burn-your-getters. CSS
7is-sandwich. Tells you whether a thing is a sandwich
6